Answer:
Complete digestion of food takes place in the intestine. Various enzymes present in the intestine act on food and digested food gets absorbed. Typhlosole increases the absorption surface of the intestine.13
 
        
             
        
        
        
Answer:
Explanation:
Wild guess. Photosynthesis 
 
        
             
        
        
        
The answer is; medulla oblongata and pons.  
In this region of the brain, there are chemoreceptors that can detect changes in the pH of the blood. These are called central chemoreceptor. There are also chemoreceptors in the arteries called peripheral chemoreceptors. When these chemoreceptors detect a drop in the blood PH (due to increased dissolved carbon dioxide in the blood), the depth and rate of breathing is increased in the lungs.  
 
        
             
        
        
        
The hydrogen molecules in water keep it together